/*  $OpenBSD: endian.h,v 1.18 2006/03/27 07:09:24 otto Exp $    */

/*-
 * Copyright (c) 1997 Niklas Hallqvist.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/*
 * Generic definitions for little- and big-endian systems.  Other endianesses
 * has to be dealt with in the specific machine/endian.h file for that port.
 *
 * This file is meant to be included from a little- or big-endian port's
 * machine/endian.h after setting _BYTE_ORDER to either 1234 for little endian
 * or 4321 for big..
 */

#ifndef _SYS_ENDIAN_H_
#define _SYS_ENDIAN_H_

#define _LITTLE_ENDIAN  1234
#define _BIG_ENDIAN     4321
#define _PDP_ENDIAN     3412
#define _BYTE_ORDER     _LITTLE_ENDIAN

#define LITTLE_ENDIAN   _LITTLE_ENDIAN
#define BIG_ENDIAN      _BIG_ENDIAN
#define PDP_ENDIAN      _PDP_ENDIAN
#define BYTE_ORDER      _BYTE_ORDER

#define __BYTE_ORDER    _BYTE_ORDER
#define __BIG_ENDIAN    _BIG_ENDIAN
#define __LITTLE_ENDIAN _LITTLE_ENDIAN

#endif /* _SYS_ENDIAN_H_ */